Financial services company accelerates time to revenue by externalizing 250+ APIs

APIs are the foundation for the company's business, enabling everything from payments and lending to fraud detection and customer service. As the company's API footprint grew, the lack of a unified system created friction across teams. Developers had to search legacy portals and code repositories to find the right services, slowing onboarding and leading to duplicate endpoints.

Without shared design standards or governance, API quality varied across business units. Teams used different approaches for versioning, documentation, and testing. Consequently, it was difficult to maintain consistency and reliability in a highly regulated environment. Compliance teams struggled to trace changes or verify that published APIs met internal security and audit requirements.

Partner onboarding followed a similar pattern. Documentation was exchanged manually, and teams stitched together test workflows from scratch which could take weeks. This delayed integration at key revenue moments. Since partners contribute more than half of annual receivables, every onboarding delay impacts credit volume and business growth.

To meet its API-first goals, the company needed a modern platform that brought consistency, clarity, and collaboration to every step of the API lifecycle.

The company established the Postman API Platform as the single source of truth, centralizing governance and facilitating easy collaboration. Postman provides a scalable foundation that makes APIs easy to discover for internal developers and external partners.

Teams are publishing APIs to the Postman API Network, where developers can explore, test, and prototype against APIs. This centralized hub has simpler documentation, sample code, and mock environments. Verified APIs are readily available to partners, helping them get up to speed in minutes and avoid rebuilding work that already exists.

Producer and consumer teams now work together in shared workspaces, where version updates, comments, and change notifications stay in context. High-value partners are invited into secure, entitlement-controlled Partner Workspaces. These shared spaces speed up partner onboarding, ensure partners always have the latest documentation, and make it easy for teams to collaborate on bundled APIs aligned to real-world business workflows, like payments.

“Postman gave us a unified way to design, govern, and share APIs across the enterprise. Our developers move faster, and our compliance posture is stronger than ever.”

Director of Platform Engineering, Fortune 200 Financial Services Company

Automated collections, tests, mocks, and monitors provide early validation. Teams can check behavior, run contract tests, and collaborate with consumers long before an API is deployed. This decreases cycle times and the risk of regressions.

Role-based access control, audit logs, and single sign-on (SSO) give security and compliance teams full visibility. These tools help demonstrate compliance to auditors and reduce the time it takes to identify and resolve API regressions. The standardized framework ensures APIs move through design, testing, and release with clear accountability and governance at every stage.

With the move to Postman, the company reduced time to first call by 50%. This was made possible by partner-ready collections, guided authentication, and faster onboarding in Partner Workspaces. This repeatable, compliant integration path accelerates partner activation and shortens time to revenue for more than 50 million customers globally.

In addition, the company plans to publish more than 250 partner-ready APIs to the Postman API Network, forming a scalable foundation for monetizing core financial capabilities as reusable digital products. This is especially important as partners drive more than half of the company's annual revenue.

API quality is improving across the board, with design checks and governance policies catching issues early in the lifecycle. Automated testing and expanded coverage reduce regressions and improve reliability in a regulated environment. Compliance teams benefit from complete audit trails, making it easier to validate ownership and prove governance.

With Postman, the Platform Engineering team has shifted from reactive support to proactive enablement. They now operate a consistent, secure, and discoverable API ecosystem while accelerating development, reducing risk, and improving the developer experience.